div,h1,h2,h3,h4,h5,h6,dl,dt,dd,ul,ol,li,button,input,textarea,th,td,main,nav,section,header {
    box-sizing: border-box;
}

body {
    font-size: 14px/1 "MicrosoftYaHei";
    background-color: #F3F4F7;
    color: #5B5B5B;
}
.ellipsis-single-line {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

img {
    vertical-align: top;
}